Winter in North America is not a single thing. It ranges from the damp Pacific cold of coastal British Columbia to the ...

Animals that migrate: Every year, as the days shorten and the temperature drops, billions of animals that migrate embark on one of nature's greatest spectacles: the winter migration. This massive ...

Researchers found drier winters impact the likelihood of Kirtland’s warblers surviving migration and their ability to survive the breeding season. Credit: Nathan W. Cooper, Smithsonian’s National Zoo ...

The winter months bring in colder weather in Arizona and, with it, a wave of animals that migrate through the Copper State. The snow and cold temperatures in places near Flagstaff and Pinetop-Lakeside ...

Millions of birds migrate every year to escape winter, but spending time in a warmer climate does not save them energy, according to new research. Using miniaturized loggers implanted in wild ...

Migration routes are ingrained in many bird species. This helps them to not only return to known nesting sites, but also to ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Field biologists tend to be a patient lot, often resigned to long days and weeks in ...